Systems Thinking

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Casual Loop & Systems Diagrams - Problem Solving from MindTools Casual Loop & Systems Diagrams - Problem Solving from MindTools Understanding How Factors Affect One Another © iStockphoto/mevans System diagrams are powerful tools that help you to understand how complex systems work. Systems analyzed may be anything from businesses, through biological population models, to the impact of social policy, etc.
www.optisim.org/QLENG/UserFiles/File/optisim.html
System Dynamics Methods: A Quick Introduction System Dynamics Methods: A Quick Introduction This 125 page set of notes provides a quick introduction to system dynamics methods using business examples. Vensim notation is used, and free versions of Vensim can be downloaded for instructional use from Ventana Systems, Inc. A quick reference and tutorial for Vensim can be downloaded from the ASU system dynamics resources page. This document is formatted for two-sided printing, and the blank pages at the end of some chapters are intentional so that new chapters will start on right-hand pages. Effective January 12, 2013, this work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. The document can be downloaded in either of two forms:
Archetypes - Interaction Structures of the Universe Interaction Structures of the Universe This article is essentially a continuation of Systems Thinking: An Operational Perspective of the Universe in which the Reinforcing and Balancing structures were developed. This article develops a set of frequently recurring structures resulting from various combinations of Reinforcing and Balancing structures. This article essentially represents an elaboration of the work of Senge (1990) and Pegasus Communications (1989-1996). Note that all the archetype examples that were previously wired into this article are now accessible via theWay which is considered to provide a more comprehensive treatment of the archetypes, as well as a few additional ones, and uses the "+" and "-" influence notation. Archetypes - Interaction Structures of the Universe
isee systems - The World Leader in Systems Thinking Software
www.simtegra.com - System dynamics modeling causal loop diagram software screenshots
Scenarios for Sustainability: Modeling Methods This page contains a collection of modeling techniques on different subjects that are available online. In addition to these sources, also see the Quantitative Modeling section on the “Scenario Toolkit” page on this site. Agent-Based Modeling The Agent-Based Modeling FAQ An On-Line Guide for Newcomers to Agent-Based Modeling in the Social Sciences Linear and Non-Linear Programming Scenarios for Sustainability: Modeling Methods